Advertisements
Advertisements
प्रश्न
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage in gene therapy for ADA deficiency.
Reason: Cells in the embryonic stage are immortal, differentiated and easy to manipulate.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are true and R is not the correct explanation of A.
A is true but R is false.
A is False but R is true.
Advertisements
उत्तर
A is true but R is false.
Explanation:
A is true, but R is false. R can be corrected as embryonic cells are immortal, undifferentiated, and easy to control. Embryonic cells are pluripotent, meaning they can develop into any somatic cell type.
संबंधित प्रश्न
State the Function of Chorionic Villi
Gonads develop from embryonic ______.
Relaxin is the hormone secreted by the placenta.
Mark the odd one.
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.


Subject 2 has a higher level of hormone B, which is ______
Read the following and answer from given below:
Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to pregnancy.
At which stage of embryonic development does trophectoderm develop?
The secondary sexual characters develop in females because:
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
The diagram given below represents a specific stage of human embryonic development. Identify the stage.

The diagram given below shows the early embryonic stages of fish, reptiles, birds and humans. Though adult reptiles, birds and mammals breathe air, their embryos possess gills. How does this fact support evolution?

